When an unexpected, severe error occurs in CircuitPython, CircuitPython will enter safe mode. You can also initiate safe mode yourself manually or in your CircuitPython program.
Safe mode prevents boot.py and code.py from running until you exit safe mode. Starting in CircuitPython 8.1.0-beta.0, it also enables running a special file called safemode.py that can exit safe mode automatically, so you can recover without having to manually press the reset button.
How to recover from safe mode, manually or using safemode.py
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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